1. Prepare the meatballs by thoroughly mixing all the ingredients together in a medium bowl. shape into 48 balls.
2. Place the meatballs in a shallow baking pan (spay the pan with Pam).
3. Bake the meatballs in a preheated 400 degree oven for 8 to 10 minutes.
4. Meanwhile prepare the sauce in a skillet by sautéing the zucchini, mushroom, and onions in the oil for 3 to 5 minutes. Stir in the tomato sauce, chili powder, cumin, hot sauce, and heat the sauce thoroughly.
5. To serve, pour the sauce over the meatballs and combine the two well.